![]() ![]() alkalosis,Ĭreatinine, CRP, Dipstick Urinalysis, Laboratory Urinalysis, Liver function tests (LFTs), Pleural fluid analysis, Urea, Urea Creatinine Ratio, Uric acid, Urinalysis, Urine ElectrolytesĬhris is an Intensivist and ECMO specialist at the Alfred ICU in Melbourne. HIGH: Bilirubin and Jaundice, Hyperammonaemia, Hypercalcaemia, Hyperchloraemia, Hyperkalaemia, Hypermagnesaemia,ĪCID BASE: Acid base disorders, Resp. LOW: Anaemia, Hypocalcaemia, hypochloraemia, Hypomagnesaemia, Palmar erythema, Serious skin signs in sick patients, Thickened Tethered Skin, Leg ulcers, Skin Tumour, Acanthosis Nigricansĭiabetes Insipidus, Diffuse Goitre, Gynaecomastia, Hirsutism, Hypoglycaemia, SIADH, Weight LossĪnaphylaxis, Autoimmune associated diseases, Clubbing, Parotid Swelling, Splinter haemorrhages, Toxic agents and abnormal vitals, Toxicological causes of cardiac arrestĬHEST: Atelectasis, Hilar adenopathy, Hilar enlargement on CXR, Honeycomb lung, Increased interstitial markings, Mediastinal widening on mobile CXR, Pulmonary fibrosis, Pseudoinfiltrates on CXR, Pulmonary opacities on CXR,ĪBDO: Gas on abdominal X-ray, Kidney mass,īRAIN: Intracranial calcification, Intracranial structures with contrast, Ventriculomegaly, ![]() Genital ulcers, Groin lump, Scrotal mass, Urine colour, Urine Odour, Urine transparency,Īrthritis, Shoulder pain, Wasting of the small muscles of the hand ocular prosthesis – the normal pupil may be relatively constricted due to ambient light.Īnosmia, Ataxia, Blepharospasm, Bulbar and Pseudobulbar palsy, Central Pontine Myelinosis, Cerebellar Disease, Chorea, Cranial nerve lesions, Dementia, Dystonia, Exophthalmos, Eye trauma, Facial twitches, Fixed dilated pupil, Horner syndrome, Loss of vision, Meningism, Movement disorders, Optic disc abnormality, Parkinsonism, Peripheral neuropathy, Radiculopathy, Red eye, Retinal Haemorrhage, Seizures, Sudden severe headache, Tremor, Tunnel visionīronchial breath sounds, Bronchiectasis, High airway pressures, Massive haemoptysis, Sore throat, Tracheal displacementĪtrial Fibrillation, Bradycardia, Cardiac Failure, Chest Pain, Murmurs, Post-resuscitation syndrome, Pulseless Electrical Activity (PEA), Pulsus Paradoxus, Shock, Supraventricular tachycardia (SVT), Tachycardia, VT and VF, SVC ObstructionĪbdominal distension, Abdominal mass, Abdominal pain, Asterixis, Dysphagia, Hepatomegaly, Hepatosplenomegaly, Large bowel obstruction, Liver palpation abnormalities, Lower GI haemorrhage, Malabsorption, Medical causes of abdominal pain, Rectal mass, Small bowel obstruction, Upper GI Haemorrhage.If an acute third nerve palsy is accompanied by pupillary mydriasis an aneurysm arising from the posterior communicating artery must be excluded.parasympathetic nerves are in the superficial parts of the nerve, so tend to be more vulnerable to compressivelesions and spared by vascular lesions (e.g.Oculomotor nerve palsy (3rd cranial nerve).Pharmacological blockade– typically topical mydriatic drugs used to facilitate ophthalomological examinations.Pharmacologic blockade is the most common cause of a fixed dilated pupil in an otherwise normal healthy patient.Ī single fixed dilated (mydriatic) pupil can be caused by: A fixed dilated pupil in an awake patient is NOT due to herniation. Coma or brain death: Severe brain damage may cause a change in the size and reactivity of the pupils.Suspect herniation due to an intracranial mass lesion as a cause of fixed dilated pupil in an unconscious patient.Surgery: Eye surgery may result in alterations in pupil size, which can be permanent. ![]() Seizure: Sometimes seizures (a disruption of electrical activity in the brain) can cause changes in the pupils, which may be equal or unequal.Migraine: While it is not common, migraines can cause anisocoria.Vision loss: Significant vision defects can affect pupil size and reactivity.Increased intracranial pressure: This can result from a brain tumor, meningitis (inflammation of the fluid around the brain), or a stroke. ![]()
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